| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 252 |
4.5%
|
| 2 | Often | 370 |
6.6%
|
| 3 | Sometimes | 1237 |
22.2%
|
| 4 | Not at all | 3573 |
64.2%
|
| 5 | Do not know | 133 |
2.4%
|
| Sysmiss | 18 |